Role of ionic surfactant in magnetic dynamics of self-assembled dispersions of nanoplatelets
| Autor: | Hajnalka Nádasi, Melvin Küster, Alenka Mertelj, Nerea Sebastián, Patricija Hribar Boštjančič, Darja Lisjak, Thilo Viereck, Margaret Rosenberg, Alexey O. Ivanov, Sofia S. Kantorovich, Alexey Eremin, Frank Ludwig |
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| Jazyk: | angličtina |
| Rok vydání: | 2023 |
| Předmět: |
Condensed Matter - Materials Science
Materials Chemistry Soft Condensed Matter (cond-mat.soft) Materials Science (cond-mat.mtrl-sci) FOS: Physical sciences Physical and Theoretical Chemistry Condensed Matter - Soft Condensed Matter Condensed Matter Physics Spectroscopy Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials |
| Popis: | In complex colloidal systems, interparticle interactions strongly affect the dynamics of the constituting particles. A study of the dynamical response also provides invaluable information on the character of those interactions. Here we demonstrate how tuning the electrostatic interactions by an ionic surfactant in dispersions of magnetic nanoplatelets leads to developing new dynamic modes in magnetic response spectra. The collective modes can be induced or suppressed by either varying the concentration ratio of the magnetic nanoplatelets (MP) to the surfactant or increasing the MP concentration reflecting the nanoscale characteristics of this fluid magnet. |
| Databáze: | OpenAIRE |
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